================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 9026 Comm: syz-executor.3 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_mac_create.cold+0x19/0x25 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f479fd30c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd719881ef R14: 00007f479fd319c0 R15: 000000000118bf2c ================================================================================ F2FS-fs (loop4): Found nat_bits in checkpoint netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. F2FS-fs (loop4): Mounted with checkpoint version = 7ad43cd6 audit: type=1804 audit(1602989174.628:16): pid=9069 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir203925425/syzkaller.liPCXT/27/bus" dev="sda1" ino=15863 res=1 audit: type=1804 audit(1602989174.718:17): pid=9072 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir203925425/syzkaller.liPCXT/27/bus" dev="sda1" ino=15863 res=1 audit: type=1804 audit(1602989174.728:18): pid=9072 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir203925425/syzkaller.liPCXT/27/bus" dev="sda1" ino=15863 res=1 EXT4-fs (loop5): Unrecognized mount option "'Kje C" or missing value EXT4-fs (loop5): Unrecognized mount option "'Kje C" or missing value batman_adv: batadv0: Interface deactivated: batadv_slave_1 device batadv_slave_1 entered promiscuous mode TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. syz-executor.2 (9181) used greatest stack depth: 22736 bytes left new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(9) vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed) netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. gfs2: invalid mount option: fsname=) gfs2: can't parse mount arguments vhci_hcd: connection closed netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. new mount options do not match the existing superblock, will be ignored netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. gfs2: invalid mount option: fsname=) gfs2: can't parse mount arguments new mount options do not match the existing superblock, will be ignored gfs2: invalid mount option: fsname=) gfs2: can't parse mount arguments IPVS: ftp: loaded support on port[0] = 21 vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(8) vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device audit: type=1804 audit(1602989179.198:19): pid=9336 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir240306543/syzkaller.992e0h/25/bus" dev="sda1" ino=15891 res=1 hfs: unable to parse mount options audit: type=1800 audit(1602989179.198:20): pid=9336 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15891 res=0 IPVS: ftp: loaded support on port[0] = 21 Unknown ioctl -2147195902 Unknown ioctl -2147195902 XFS (md0): SB validate failed with error -5. audit: type=1804 audit(1602989179.958:21): pid=9343 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir240306543/syzkaller.992e0h/25/bus" dev="sda1" ino=15891 res=1 XFS (md0): SB validate failed with error -5. audit: type=1800 audit(1602989179.958:22): pid=9343 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15891 res=0 XFS (md0): SB validate failed with error -5. audit: type=1400 audit(1602989181.228:23): avc: denied { create } for pid=9544 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 XFS (md0): SB validate failed with error -5.